Endo International plc (NASDAQ: ENDP) is projected to report its quarterly earnings at $1.27 per share on revenue of $1.07 billion. Endo International shares dropped 0.08 percent to $52.90 in after-hours trading.

Valeant Pharmaceuticals Intl Inc (NYSE: VRX) issued a business update over the weekend. Valeant confirmed that Michael Pearson will resume his role as CEO, effective immediately. The company also announced that it will reschedule a previously announced conference call to discuss its preliminary fourth quarter results, deliver a business review and provide updated guidance for 2016. Valeant shares fell 6.37 percent to $75.64 in pre-market trading.

Tribune Media Co (NYSE: TRCO) is estimated to report its quarterly earnings at $0.55 per share on revenue of $543.07 million. Tribune Media shares surged 4.80 percent to close at $32.95 on Friday.

Analysts expect Workday Inc (NYSE: WDAY) to post a quarterly loss at $0.05 per share on revenue of $319.63 million. Workday shares gained 0.24 percent to close at $59.52 on Friday.